Updated for Xcode 6.1. Made a couple personal preference modifications after merging in last pull request from Marko with his 6.1 fixes.
Updated for Xcode 6.1. Made a couple personal preference modifications after merging in last pull request from Marko with his 6.1 fixes.

tobiasoleary/SwiftKeychainWrapper,jrendel/SwiftKeychainWrapper,mozilla/SwiftKeychainWrapper,mozilla/SwiftKeychainWrapper,jrendel/SwiftKeychainWrapper,rnewman/SwiftKeychainWrapper,rnewman/SwiftKeychainWrapper,mozilla/SwiftKeychainWrapper,tobiasoleary/SwiftKeychainWrapper,rnewman/SwiftKeychainWrapper